PITBULL TACTICAL, UNIVERSAL MAG CARRIER, HOLDS 1 MAGAZINE 9MM-45ACP SINGLE OR DOUBLE STACK, OD GREEN COLOR, BLACK, FDE The last mag carrier you'll ever need. The Universal Mag Carrier Gen 2 allows the user to comfortably conceal any pistol magazine from a 9mm single stack to a 45acp double stack. Inside the waistband or outside the waistband on any 1.5" belt. By default the Universal Mag Carrier Gen 2 is only as deep as a single stack 9mm. As a magazine is inserted the Universal Mag carrier dynamically adjusts in size. The flared opening and rigid design allows any size mag to be inserted with ease perfect for gearing up for the day or admin reloads.